. Improving fuel efficiency often depends on simple driving practices. Drivers who accelerate smoothly, maintain consistent speeds and keep their vehicles properly maintained are more likely to ...

[Stay on top of transportation news: Get TTNews in your inbox.] Advanced researchers and engine makers say the internal combustion engine’s ability to be more efficient and run on greener fuels means ...

"The goal was a 100% freight efficiency improvement over our 2009 Kenworth T660, which at the time was arguably the most fuel-efficient truck in the industry," says Kenworth GM Jim Walenczak in a ...

Rolls-Royce Successfully Tests UltraFan Engine Tech Using 100% Sustainable Fuel UltraFan gas turbine engines hold the promise of 10% efficiency improvements compared to the world's most efficient aero ...

Purdue University’s Greg Shaver doesn’t believe there should be a trade-off between protecting the air we breathe and achieving better engine efficiency of large vehicles on the road. Shaver, a ...

AMES, Iowa – Engineers know that gas turbine engines for aircraft and power plants are more efficient and burn less fuel when they run at temperatures high enough to melt metal. But how to raise ...

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

The year 2027 will feature the most significant emissions regulations the heavy-duty trucking sector has seen since 2007. If fleets haven’t already, they should begin planning for these changes. “It’s ...

Finnish manufacturer Wärtsilä introduced an engine back in 2015 that was so good, it snagged a Guinness World Records title for being the most efficient four-stroke diesel engine shortly after its ...

Pratt & Whitney thinks the aerospace industry might need a bit more time to achieve a broad goal of squeezing at least 20% more efficiency out of the next generation of narrowbody aircraft engines.